Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0PZ callsign genealogy
Currently held by KHOLER, HARRY A M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AB0PZ's current licensee, walking backwards.
- CLARK, JAREDMOgranted 2022-11-08cancelled 2023-03-24
Successor callsigns
Callsigns held now by people who previously held AB0PZ.
- KHOLER, HARRY A MMOgranted 2010-12-04cancelled 2018-01-12
All historical holders
Every license row we've seen with the callsign AB0PZ, oldest first.
- KHOLER, HARRY A M MO1995-03-01 → cancelled 2001-03-02
- CLARK, JARED MO2023-03-24 active